Ask question

Ask question

All categories

3 years ago

15

the ratio of boys to girls in a class is 5:4 there are 36 students in the class how many students are girls

1 answer:

Alina [70]3 years ago

4 0

First add up the total parts in the ratio.
5 + 4 = 9
Now we need to know the value of each part
36 / 9 = 4
The girls has total of 4 parts, therefore we can just multiply the number of parts by the amount in each part
4 x 4 = 16
So there r 16 girls in the class

You might be interested in

Solve: 5x(8-4) divide 4-2=

nataly862011 [7]

5x(8 - 4)/4 - 2

Remember to follow PEMDAS.

First, subtract 8 and 4

8 - 4 = 4

5x(4)/4 - 2

Next, follow the left -> right rule, and multiply 5x and 4

5x(4) = 20x

Divide by 4

20x/4 = 5x

Finally, note that one has a variable, and the other has a constant, and so you cannot combine.

5x - 2 is your answer

hope this helps

8 0

3 years ago

4. Find the time duration for the following in your notebook: (a) 1:20 a.m. to 8.05 a.m. (b) 3:50 p.m. to 6:25 p.m. (C) 11.40 a.

padilas [110]

(a) 6 hours and 45 minutes

(b) 2 hours and 35 minutes

(c) 2 hours and 40 minutes

(d) 3 hours and 20 minutes

4 0

2 years ago

The of an equation is formed by all the points in e plane that makes it true

zavuch27 [327]

Answer:

Graph

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Determine the rate of change between the points (-1,-1) and (1,-1).

AVprozaik [17]

Answer:

$\displaystyle m = 0$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

Coordinate Planes

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2 - y_1}{x_2 - x_1}$

Step-by-step explanation:

*Note:

Rate of change is slope.

<u />

<u>Step 1: Define</u>

<em>Identify.</em>

Point (-1, -1)

Point (1, -1)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>.

Substitute in points [Slope Formula]: $\displaystyle m = \frac{-1 + 1}{1 + 1}$
[Order of Operations] Simplify: $\displaystyle m = \frac{0}{2}$
Simplify: $\displaystyle m = 0$

4 0

2 years ago

Which of these supporting details BEST fits after sentence 2?

jeyben [28]

Answer:

c

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers